Portion of toilet



FIG. 1 is a perspective view from above of a portion of toilet showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a back elevational view;

FIG. 4 is a right elevational view, a left elevational view being a mirror image thereof; and,

FIG. 5 is a top view.

The broken lines represent environmental subject matter and form no part of the claimed design. Lines shown on product surfaces are shade lines and not surface decoration. 

The ornamental design for a portion of toilet, as shown and described. 